<ng-content></ng-content>
<nt-overlay
  [origin]="origin"
  [position]="position"
  [trigger]="trigger"
  [arrow]="pane?.arrow"
  (afterOpen)="_afterOpen($event)"
  (afterClosed)="_afterClosed($event)"
  (beforeOpen)="_beforeOpen($event)"
  (beforeClosed)="_beforeClosed($event)"
  (positionChange)="_positionChange($event)">
  <ng-content select="nt-dropdown-pane"></ng-content>
</nt-overlay>
